Preparation method of safety gloves with special coating

Abstract

The present invention relates to safety gloves with special rubber coating. Specifically, a kind of safety gloves with rubber coating which is specially designed and coated on fabric substrates to achieve proper hand protection effects, and exhibits properties such as good ventilation, abrasion resistance, and soft and comfortable wearing experience. A preparation method of safety gloves with special coating, comprising following steps: (1) treating a substrate with composite electrolyte digestion solution by a certain method; (2) spreading polymeric disperse coating over the substrate containing composite electrolyte digestion solution obtained in step (1), heating when the polymeric disperse coating is attached and obtaining a half-product with polymeric disperse coating; (3) treating the half-product with polymeric disperse coating in pre-foamed water chemical compound or non-foamed water chemical compound, by treating immersing or spraying or immersing and spraying is defined; and (4) dipping the product treated in step (3) in aromatic hydrocarbon solution.

Claims

1. A preparation method of safety gloves with special coating, characterized in that, comprising following steps: (1) Treating a substrate with composite electrolyte digestion solution by a certain method, and obtaining the substrate containing composite electrolyte digestion solution; the certain method is one or any combination of hybrid dispersion soaking, dipping, and spraying, and temperature of the composite electrolyte digestion solution is 10° C-60° C.; (2) Applying polymeric disperse coating to the substrate containing composite electrolyte digestion solution, and heating when the polymeric disperse coating is attached to the substrate, to obtain a half-product with polymeric disperse coating; (3) Treating the half-product with polymeric disperse coating obtained in step (2) with pre-foaming water chemical compounds or non-foamed water chemical compounds, and by treating, immersing or spraying or immersing and spraying is defined; and (4) Dipping or spraying the product treated in step (3) in aromatic hydrocarbon solution.

2. The preparation method of safety gloves with special coating according to claim 1, characterized in that: in step (1), the substrate is natural fiber or chemical fiber.

3. The preparation method of safety gloves with special coating according to claim 1, characterized in that: in step (1), the substrate is one or a combination of nylon, cotton, Lycra, UHMWPE, aramid fiber, p-aramid fiber, acrylic acid, steel wires, glasses, glass fiber, polyethylene and polyesters.

4. The preparation method of safety gloves with special coating according to claim 1, characterized in that: in step (1) the composite electrolyte digestion solution comprises waterborne or alcohol containing liquid, or a mixture thereof.

5. The preparation method of safety gloves with special coating according to claim 1, characterized in that: in step (1) the composite electrolyte digestion solution is a combination of calcium carbonate, polyethyleneglycol, dialkyl sulfonate, organic acid and alkali salt; a combination of inorganic acid and alkali salt; a combination of organic acid and inorganic acid; a combination of organic salt and organic acid; a combination of organic salt and inorganic acid; a combination of organic acid and inorganic salt or a combination of inorganic salt and inorganic acid, and any combination of the foregoing substances.

6. The preparation method of safety gloves with special coating according to claim 1, characterized in that: in step (1) the composite electrolyte digestion solution comprises a combination of organic acid and organic salt; a combination of inorganic salt and calcium carbonate and a combination of polyethyleneglycol and dialkyl sulfonate and obtained by solving the foregoing substance combinations in kalinous water solution or pH modified ethanol medium.

7. The preparation method of safety gloves with special coating according to claim 1, characterized in that: the certain method in step (1) is immersing and immersing time is 5 to 10 seconds.

8. The preparation method of safety gloves with special coating according to claim 1, characterized in that: in step (1) immersing time is 10 seconds.

9. The preparation method of safety gloves with special coating according to claim 1, characterized in that: in step (1) temperature of the composite electrolyte digestion solution is 10° C.-30° C.

10. The preparation method of safety gloves with special coating according to claim 1, characterized in that: in step (1), cleaning the substrate containing composite electrolyte digestion solution before going to step (2).

11. The preparation method of safety gloves with special coating according to claim 1, characterized in that: the polymeric disperse coating in step (2) is any one or mixture of natural rubber latex, polyisoprene, chloronorgutta, neoprene, polyvinyl acetate (PVA), nitrile rubber, waterborne polyurethane, solvent-borne polyurethane, polyvinyl chloride (PVC), polybutene, PMME, phenyl ethylene, siloxane, styrene-butadiene rubber, polystyrene-butylene glycol-styrene, EPDM or polybutylenes.

12. The preparation method of safety gloves with special coating according to claim 1, characterized in that: the polymeric disperse coating in step (2) is nitrile-butadiene rubber, carboxyl acrylonitrile-butadiene rubber or a mixture of natural rubber-poly(methyl methacrylate) and carboxyl acrylonitrile rubber.

13. The preparation method of safety gloves with special coating according to claim 1, characterized in that: viscosity of the polymeric disperse coating in step (2) is 100-20000 centipoises.

14. The preparation method of safety gloves with special coating according to claim 13, characterized in that: viscosity of the polymeric disperse coating in step (2) is 500-7000 centipoises.

15. The preparation method of safety gloves with special coating according to claim 1, characterized in that, the polymeric disperse coating in step (2) is non-foamed, partially foamed or fully foamed.

16. The preparation method of safety gloves with special coating according to claim 1, characterized in that, the polymeric disperse coating step (2) is foamed and adopts any one or a combination of mechanical or chemical foaming.

17. The preparation method of safety gloves with special coating according to claim 1, characterized in that, heating temperature in step (2) is 40° C.-80° C., and heating time is 1-30 minutes.

18. The preparation method of safety gloves with special coating according to claim 1, characterized in that, heating temperature in step (2) is 50° C.-60° C., and heating time is 1-2 minutes.

19. The preparation method of safety gloves with special coating according to claim 1, characterized in that, a spraying manner in step (3) is gravity spraying.

20. The preparation method of safety gloves with special coating according to claim 1, characterized in that, in step (3), when soaking the half-product with polymeric disperse coating in the pre-foaming water chemical compound, the pre-foaming water chemical compound is sprayed with low pressure over the polymeric disperse coating for 30 seconds to 10 minutes.

21. The preparation method of safety gloves with special coating according to claim 1, characterized in that, in step (3), when soaking the half-product with polymeric disperse coating in the pre-foaming water chemical compound, the pre-foaming water chemical compound is sprayed with low pressure over the polymeric disperse coating for 30 seconds to 120 seconds.

22. The preparation method of safety gloves with special coating according to claim 1, characterized in that, the pre-foamed water chemical compound in step (3) is made of surface active agents.

23. The preparation method of safety gloves with special coating according to claim 1, characterized in that, the pre-foamed water chemical compound or non-foamed water chemical compound in step (3) includes anti-bacterial agents.

24. The preparation method of safety gloves with special coating according to claim 1, characterized in that, the aromatic hydrocarbon solution in step (4) is alcohol solution.

Description

BRIEF DESCRIPTION OF THE DRAWINGS

[0042] FIG. 1 is a microscopic scanning diagram of the polymeric disperse coating in step (2) according to embodiment 1 of the present invention;

[0043] FIG. 2 is a microscopic scanning diagram of the substrate in step (1) according to embodiment 1 of the present invention; and

[0044] FIG. 3 is a microscopic scanning diagram of the half-product with polymeric disperse coating in step (2) according to embodiment 1 of the present invention.

EMBODIMENTS

Embodiment 1

[0045] (1) Treating a substrate with composite electrolyte digestion solution by a certain method to get the substrate containing composite electrolyte digestion solution. The certain method is defined as any one or a combination of hybrid disperse soaking, dipping and spraying; [0046] (2) Spreading a polymeric disperse coating on the substrate containing composite electrolyte digestion solution obtained in step (1), heating when the polymeric disperse coating is successfully attached to obtain a half-product applied with the polymeric disperse coating. [0047] (3) Treating the half-product applied with the polymeric disperse coating obtained in step (2) in a pre-foamed water chemical compound or non-foamed water chemical compound, by treating specifically dipping and spraying is defined; (4) soaking a product treated in step (3) in aromatic hydrocarbon solution or spraying the same with aromatic hydrocarbon solution.

[0048] In step (1), the substrate is nylon.

[0049] In step (1), the composite electrolyte digestion solution is a combination of polyethyleneglycol and dialkyl sulfonate and obtained by solving the foregoing substance combinations in kalinous water solution or pH modified ethanol medium.

[0050] In step (1), the certain method is dipping, and dipping time is 10 seconds.

[0051] In step (1), temperature of the composite electrolyte digestion solution is 10-30° C.

[0052] Before going to step (2), cleaning the substrate containing composite electrolyte digestion solution obtained in step (1).

[0053] In step (2), the polymeric disperse coating is EPDM and polybutene. The two polymeric disperse coatings can be foamed by a mechanical means respectively. Mixing proportion thereof can be 50:50, preferably 30:70 and optimum 20:80 depending on desired outcomes.

[0054] The polymeric disperse coating in step (2) is a combination of natural rubber-poly(methyl methacrylate) and carboxyl acrylonitrile rubber.

[0055] In step (2), viscosity of the polymeric disperse coating is 500-5000 centipoises.

[0056] In step (2), all of the polymeric disperse coating is foamed and in a mechanical means.

[0057] In step (2), heating temperature is 50-60° C., and heating time 1-2 minutes.

[0058] In step (3), the spraying manner is gravity spraying.

[0059] In step (3), when dipping the half-product applied with the polymeric disperse coating in a pre-foamed water chemical compound, the pre-foamed composite solution is sprayed to the polymeric disperse coating with low pressure for 30 to 120 seconds.

[0060] In step (4), the aromatic hydrocarbon solution is defined as alcohol solution.

Embodiments 2-3 (For Illustrating Influences to the Present Invention by Different Treatment Methods of the Pre-Foamed Water Chemical Compound)

[0061] All other conditions remain the same as embodiment 1, except treatment methods of the pre-foamed water chemical compound, specifically as following:

TABLE-US-00001 Treatment method of the pre-foamed water Product chemical solution classification Embodiment Dipping and spraying the water chemical Excellent 1 compound Embodiment Dipping the water chemical compound Good 2 Embodiment Spraying the water chemical compound Good 3